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Reductive Coupling of Xylyl Isocyanide Mediated by Low-Valent Uranium
Organometallics ( IF 2.5 ) Pub Date : 2021-08-27 , DOI: 10.1021/acs.organomet.1c00365 Selena L. Staun 1 , Greggory T. Kent 1 , Alejandra Gomez-Torres 2 , Guang Wu 1 , Skye Fortier 2 , Trevor W. Hayton 1
Organometallics ( IF 2.5 ) Pub Date : 2021-08-27 , DOI: 10.1021/acs.organomet.1c00365 Selena L. Staun 1 , Greggory T. Kent 1 , Alejandra Gomez-Torres 2 , Guang Wu 1 , Skye Fortier 2 , Trevor W. Hayton 1
Affiliation
The reaction of [U(NR2)3] (R = SiMe3) with 2 equiv of 2,6-dimethylphenyl isocyanide results in the isolation of the U(III) bis(isocyanide) complex [U(NR2)3(CNXyl)2] (1) in 50% yield. Addition of 1 equiv of [Cp*2Co] to 1 results in formation of the isocyanide-coupled U(IV) complex [Cp*2Co][{η2-C,N-(Xyl)NCCN(Xyl)}U(NR2)3] (2), which can be isolated in 45% yield after workup. Complex 2 was characterized by NMR spectroscopy and X-ray crystallography. In the solid state, its acetylenediamide ligand features an η2-N,C binding mode.
中文翻译:
低价铀介导的二甲苯基异氰化物还原偶联
[U(NR 2 ) 3 ] (R = SiMe 3 ) 与 2 当量的 2,6-二甲基苯基异氰化物的反应导致分离出 U(III) 双(异氰化物)络合物 [U(NR 2 ) 3 ( CNXyl) 2 ] ( 1 ),产率为50%。将 1 当量的 [Cp* 2 Co] 添加到1导致形成异氰化物偶联的 U(IV) 络合物 [Cp* 2 Co][{η 2 - C , N -(Xyl)NCCN(Xyl)}U (NR 2 ) 3 ] ( 2 ),在后处理后可以以45%的产率分离。复合体2用核磁共振谱和 X 射线晶体学表征。在固态下,其乙炔二酰胺配体具有 η 2 - N , C结合模式。
更新日期:2021-09-13
中文翻译:
低价铀介导的二甲苯基异氰化物还原偶联
[U(NR 2 ) 3 ] (R = SiMe 3 ) 与 2 当量的 2,6-二甲基苯基异氰化物的反应导致分离出 U(III) 双(异氰化物)络合物 [U(NR 2 ) 3 ( CNXyl) 2 ] ( 1 ),产率为50%。将 1 当量的 [Cp* 2 Co] 添加到1导致形成异氰化物偶联的 U(IV) 络合物 [Cp* 2 Co][{η 2 - C , N -(Xyl)NCCN(Xyl)}U (NR 2 ) 3 ] ( 2 ),在后处理后可以以45%的产率分离。复合体2用核磁共振谱和 X 射线晶体学表征。在固态下,其乙炔二酰胺配体具有 η 2 - N , C结合模式。